HERE’S A PUZZLE - WHICH SPACESHIP TAKES THE PRIZE for the most distinctive science-fiction craft ever designed? Star Trek's USS Enterprise or the Blake’s 7 Liberator? Star Wars X-Wing or the Millennium Falcon? A strong quartet for sure, but here’s another, lesser-known design, the sleek multi-finned Cosmostrator which starred in the 1960 movie First Spaceship on Venus.